global: Migrate CONFIG_MXC_UART_BASE to CFG

Perform a simple rename of CONFIG_MXC_UART_BASE to CFG_MXC_UART_BASE

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/configs/mx6slevk.h b/include/configs/mx6slevk.h
index 4fbd067..f6d9ac2 100644
--- a/include/configs/mx6slevk.h
+++ b/include/configs/mx6slevk.h
@@ -10,7 +10,7 @@
 
 #include "mx6_common.h"
 
-#define CONFIG_MXC_UART_BASE		UART1_IPS_BASE_ADDR
+#define CFG_MXC_UART_BASE		UART1_IPS_BASE_ADDR
 
 /* MMC Configs */
 #define CFG_SYS_FSL_ESDHC_ADDR	USDHC2_BASE_ADDR